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Clamping diameter D1
20 mm
D2 [mm]
48.5
D3 [mm]
49.72
G
M8x1
L2 [mm]
51.0
L3 [mm]
10.0
L4 [mm]
42.0
L5 [mm]
58.9
Min. torque [Nm]
450.0
Projecting length L1 [mm]/[inch]
78 mm / 3.1"
Series
SINO-R
Technology
Expansion toolholder
Toolholder interface
SK 50
Toolholder standard
DIN ISO 7388-1 AD/AF
Description
SINO-R SK50 Ø20x78, Toolholder
- Expansion Toolholder
- Series: SINO-R
- Toolholder interface: SK 50
- Clamping diameter: 20 mm
- Projecting length: 78 mm
- Run-out accuracy: ≤ 0.005 mm at 2.5 x D
- Balancing grade: G6.3 at 15, 000 RPM or Umax < 1 gmm
- Min. torque: 450 Nm
General notes about the series
| Version | Optimal for heavy duty milling |
|---|---|
| Run-out accuracy | ≤ 0.005 mm at 2.5 x D |
| Balancing grade | G6.3 at 15, 000 RPM or Umax < 1 gmm |
| Tool shank quality | h6 |
| Intermediate sleeves | Additional shank diameters can be clamped using intermediate sleeves |
| Data carrier | Bore for data carrier as an option |
| Toolholder changes | For automatic toolholder changes |
| Coolant supply | Bores for form AF are sealed with set screws as transport safety |
| Length adjustment screw | With set-screw for axial length adjustment |
| Individual | Additional sizes and customized designs are available upon request |
Technical data SINO-R SK50 Ø20x78
| ID: | 0209687 |
|---|---|
| Technology: | Expansion Toolholder |
| Series: | SINO-R |
| Toolholder interface: | SK 50 |
| Toolholder standard: | DIN ISO 7388-1 AD/AF |
| Clamping diameter D1: | 20 mm |
| D2 [mm]: | 48.5 |
| D3 [mm]: | 49.72 |
| Projecting length L1 [mm]: | 78 |
| L2 [mm]: | 51 |
| L3 [mm]: | 10 |
| L4 [mm]: | 42 |
| L5 [mm]: | 58.9 |
| G: | M8x1 |
| Min. torque [Nm]: | 450 |
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